CVE-2018-15919

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    CVE-2018-15919

    Published: 28 Aug 2018Last Modified: 8 Jul 2026

    Summary:

    Details: Remotely observable behaviour in auth-gss2.c in OpenSSH through 7.8 could be used by remote attackers to detect existence of users on a target system when GSS2 is in use. NOTE: the discoverer states 'We understand that the OpenSSH developers do not want to treat such a username enumeration (or "oracle") as a vulnerability.'

    References: http://www.securityfocus.com/bid/105163, https://security.netapp.com/advisory/ntap-20181221-0001/, http://seclists.org/oss-sec/2018/q3/180

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 5643cf0fc4d71e783c6aef2574684f07d21945ab
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2018-15919 | CVE-DB